Coating Raw Material Coating Type Zinc plated Black zinc plated Raw Material Hardened steel Stainless Steel A2 Stainless Steel A4 D DKTorx3,50,7/2,256,8153,90,7/2,47,5154,21,75/3,08,1204,81,75/4,49,5255,51,75/5,2510,325